ATE516629T1 - METHOD FOR OPERATING A MULTIPLE STREAM RECEPTION SCHEME - Google Patents
METHOD FOR OPERATING A MULTIPLE STREAM RECEPTION SCHEMEInfo
- Publication number
- ATE516629T1 ATE516629T1 AT09708738T AT09708738T ATE516629T1 AT E516629 T1 ATE516629 T1 AT E516629T1 AT 09708738 T AT09708738 T AT 09708738T AT 09708738 T AT09708738 T AT 09708738T AT E516629 T1 ATE516629 T1 AT E516629T1
- Authority
- AT
- Austria
- Prior art keywords
- voltage controlled
- operating
- streams
- frequency
- reception scheme
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
- H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42676—Internal components of the client ; Characteristics thereof for modulating an analogue carrier signal to encode digital information or demodulating it to decode digital information, e.g. ADSL or cable modem
Abstract
A method of operating a multi-stream reception scheme, such as DOCSIS (Data Over Cable Service Interface Specifications), comprising at least two receivers (10, 12, 14) having respective voltage controlled oscillators (16), the method including monitoring a change in local oscillator frequency in a selected one of the at least two streams and, if the frequency distance between the local oscillator frequencies is below a value likely to cause pulling or coupling between the voltage controlled oscillators of the at least two receivers, resetting the frequency planning of the selected one of the at least two streams to maximize the frequency distance of the voltage controlled oscillator of the selected stream with the voltage controlled oscillators of the or the other streams.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08101383 | 2008-02-07 | ||
PCT/IB2009/050440 WO2009098642A1 (en) | 2008-02-07 | 2009-02-03 | A method of operating a multi-stream reception scheme |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE516629T1 true ATE516629T1 (en) | 2011-07-15 |
Family
ID=40755070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09708738T ATE516629T1 (en) | 2008-02-07 | 2009-02-03 | METHOD FOR OPERATING A MULTIPLE STREAM RECEPTION SCHEME |
Country Status (5)
Country | Link |
---|---|
US (1) | US9325927B2 (en) |
EP (1) | EP2248261B1 (en) |
CN (1) | CN101939916B (en) |
AT (1) | ATE516629T1 (en) |
WO (1) | WO2009098642A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8791733B2 (en) * | 2012-10-05 | 2014-07-29 | Intel Mobile Communications GmbH | Non-linear-error correction in fractional-N digital PLL frequency synthesizer |
US20160294591A1 (en) | 2015-03-31 | 2016-10-06 | Alcatel-Lucent Usa Inc. | Multichannel receiver |
US9379749B2 (en) | 2014-05-15 | 2016-06-28 | Qualcomm Incorporated | VCO-coupling mitigation in a multiple-carrier, carrier aggregation receiver |
WO2016109923A1 (en) * | 2015-01-05 | 2016-07-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and radio network node for compensation for local oscillator pulling or pushing |
DE102015218277B4 (en) * | 2015-09-23 | 2021-05-20 | Hirschvogel Umformtechnik Gmbh | Balance shaft |
US10033443B2 (en) | 2016-04-15 | 2018-07-24 | Alcatel-Lucent Usa Inc. | MIMO transceiver suitable for a massive-MIMO system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5966646A (en) * | 1997-05-13 | 1999-10-12 | Ericsson, Inc. | Dual-band radio receiver |
US6441857B1 (en) * | 1999-01-28 | 2002-08-27 | Conexant Systems, Inc. | Method and apparatus for horizontally scaling computer video data for display on a television |
US6321074B1 (en) * | 1999-02-18 | 2001-11-20 | Itron, Inc. | Apparatus and method for reducing oscillator frequency pulling during AM modulation |
JP3626399B2 (en) * | 2000-08-17 | 2005-03-09 | 株式会社東芝 | Frequency synthesizer and multiband radio using the same |
JP2004361863A (en) * | 2003-06-09 | 2004-12-24 | Nikon Corp | Method for storing optical element |
US6995622B2 (en) * | 2004-01-09 | 2006-02-07 | Robert Bosh Gmbh | Frequency and/or phase compensated microelectromechanical oscillator |
JP4412165B2 (en) * | 2004-12-14 | 2010-02-10 | ソニー株式会社 | Broadcast signal receiving apparatus and broadcast signal receiving method |
DE102005019786A1 (en) * | 2005-04-28 | 2006-11-09 | Newlogic Technologies Ag | Dual band phase locked loop frequency synthesizer for wireless communication, has divide by three circuit allowing use of same oscillator circuit to get center and offset frequencies in phases added and subtracted by mixer |
CN1992839A (en) | 2005-12-30 | 2007-07-04 | 乐金电子(沈阳)有限公司 | Aural receiver and tuner control method thereof |
KR100837115B1 (en) | 2007-02-28 | 2008-06-11 | 지씨티 세미컨덕터 인코포레이티드 | Dual radio frequency receiver circuit and method for controlling the same |
-
2009
- 2009-02-03 EP EP09708738A patent/EP2248261B1/en active Active
- 2009-02-03 WO PCT/IB2009/050440 patent/WO2009098642A1/en active Application Filing
- 2009-02-03 CN CN2009801044413A patent/CN101939916B/en active Active
- 2009-02-03 US US12/865,991 patent/US9325927B2/en active Active
- 2009-02-03 AT AT09708738T patent/ATE516629T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20110002424A1 (en) | 2011-01-06 |
EP2248261A1 (en) | 2010-11-10 |
CN101939916B (en) | 2013-06-19 |
WO2009098642A1 (en) | 2009-08-13 |
US9325927B2 (en) | 2016-04-26 |
EP2248261B1 (en) | 2011-07-13 |
CN101939916A (en) | 2011-01-05 |
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